Rh factor $rightarrow$ A red blood cell surface antigen, first discovered in rhesus monkeys, that is a crucial consideration in blood transfusions.

BLOOD PHYSIOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Rh factor

A	True
B	False
C	Either A or B
D	None of the above

Explanation:

Detailed explanation-1: -The Rh blood group is one of the most complex blood groups known in humans. From its discovery 60 years ago where it was named (in error) after the Rhesus monkey, it has become second in importance only to the ABO blood group in the field of transfusion medicine.

Detailed explanation-2: -Wiener first discovered the Rh factor in the red blood cells of rhesus monkeys(Macaca mulatta) in 1937. The Rh blood system has about 49 different types of antigens. When we say a person is Rh positive or Rh negative we specifically refer to the D antigen i.e. Rh D positive or negative.

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